This paper introduces its principle of design, the method of closed loop control, the main technology number and the use situation in the factory.
本文介绍了测控仪的设计原理，闭环控制方法，主要技术数据和它的现场使用情况。
The design idea, principle scheme and executive result for restricting zero drift of gas sensors by means of closed loop control circuit are reported.
一种利用闭环控制电路抑制气敏元件零点漂移的设计思想、原理框图及实验结果。
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